John P. "J.P." Finnegan was an accomplished American actor, whose remarkable career spanned the realms of both film and television, leaving an indelible mark on the entertainment industry. Notably, he is most famously associated with his recurring role on the esteemed American crime fiction series Columbo, a testament to his remarkable talent and versatility as a performer.
In addition to his impressive work on television, Finnegan also lent his voice to the memorable character of Warren T. Rat in the 1986 animated film An American Tail, a project of the renowned animation studio Don Bluth.
